685842640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{9349}}^1$

素因数の和:9500

約数の個数: 80

約数和(自身を含む): 1836489600

約数和(自身を除く): 1150646960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 131, 140, 262, 280, 524, 560, 655, 917, 1048, 1310, 1834, 2096, 2620, 3668, 4585, 5240, 7336, 9170, 9349, 10480, 14672, 18340, 18698, 36680, 37396, 46745, 65443, 73360, 74792, 93490, 130886, 149584, 186980, 261772, 327215, 373960, 523544, 654430, 747920, 1047088, 1224719, 1308860, 2449438, 2617720, 4898876, 5235440, 6123595, 8573033, 9797752, 12247190, 17146066, 19595504, 24494380, 34292132, 42865165, 48988760, 68584264, 85730330, 97977520, 137168528, 171460660, 342921320, 685842640]

約数ペア:

[(1, 685842640), (2, 342921320), (4, 171460660), (5, 137168528), (7, 97977520), (8, 85730330), (10, 68584264), (14, 48988760), (16, 42865165), (20, 34292132), (28, 24494380), (35, 19595504), (40, 17146066), (56, 12247190), (70, 9797752), (80, 8573033), (112, 6123595), (131, 5235440), (140, 4898876), (262, 2617720), (280, 2449438), (524, 1308860), (560, 1224719), (655, 1047088), (917, 747920), (1048, 654430), (1310, 523544), (1834, 373960), (2096, 327215), (2620, 261772), (3668, 186980), (4585, 149584), (5240, 130886), (7336, 93490), (9170, 74792), (9349, 73360), (10480, 65443), (14672, 46745), (18340, 37396), (18698, 36680)]